CmdID

CmdID / PowerShell / Cmdlets / New

New-WebAppPool

Creates an IIS application pool. Windows Server PowerShell reference

From the Windows Server PowerShell reference 2 parameters Its page in the reference

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Parameters

2 in the Windows Server PowerShell reference
-ForceForces the command to run without asking for user confirmation.
-NameSpecifies the name of the IIS application pool to create.